Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/15

Click to flip

15 Cards in this Set

  • Front
  • Back
prime meridian
the imaginary line at zero meridian used to measure longitude east to west
loess
wind-blown silt and clay sediment that produces very fertile soil.
humus
organic material in soil.
biosphere
all the parts of the earth where plants and animals live
aquifer
an underground layer of rock that stores water.
tectonic plates
an enormus moving shelf that forms the earth's crust.
fault lines
line determined by the intersection of geological fault and the earth's surface.
tundra
the flat treeless lands forming a ring around the artic ocean
biomes
a regional ecosystem
steppe
the temperate grassland region in the northern hemisphere.
acculturation
the cultural change that occurs when individuals in a society accept or adopt an innovation.
the soviet union
former federation of communist states in europe and asia from 1922 to 1991.
british empire
a group of colonies, protectorates, and other territories brought under British rule after the late 16th century.
irish potato famine
a starvation in ireland from 1845 to 1849
ethnic cleansing
the policy of trying to eliminate an ethic group